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bigben2k · 08-16-2002, 08:14 AM

I can give you the basics, but not the circuit.

What you want to do, is use a comparator (chip) for the 3 voltage trigger points. Then you'd want to mix the signals through a logic chip (or transistors) so that you only turn one on at any one time.

If you understand that, then I might be willing to put in the time to draw the logic of the circuit.

08-16-2002, 08:14 AM	#2
bigben2k Responsible for 2% of all the posts here. Join Date: May 2002 Location: Texas, U.S.A. Posts: 8,302	I can give you the basics, but not the circuit. What you want to do, is use a comparator (chip) for the 3 voltage trigger points. Then you'd want to mix the signals through a logic chip (or transistors) so that you only turn one on at any one time. If you understand that, then I might be willing to put in the time to draw the logic of the circuit. __________________ WBTA (Water Block Testing Alliance) Nordic Hardware WC 101